Abstract：The computational and experimental studies were conducted to investigate the effects of the jet injection angle on the flat flow structure and its operating characteristics, the conclusions were made to apply on the fluidic control vectoring nozzle. The experiments were performed in a small wind tunnel test bed. The schlieren method was used to observe the flow structure and the wall pressure distribution of the test model was measured by the static pressure measuring point. The results show that the computational and experimental results are in good agreement. Increasing the transverse injection angle can improve the jet upstream of the separation zone, and make the bow shock position closer to the top. However, the change of the flow structure is no longer obvious when the transverse injection angle big enough. The numerical simulation of fluidic control vectoring nozzle indicates that the increase of the transverse injection angle can improve the thrust vectoring performance effectively. To be specific,the thrust vectoring performance raises by 28.3% when the transverse injection angle change from 90° to 130°, on the conditions that NPR equaled 4.6 and SPR equaled 0.7.

王永华,李本威,蒋科艺.加装推力矢量喷管对飞机起飞性能影响研究[J].海军航空工程学院学报,2008,23(6):626-628 Wang Yonghua,Li Benwei,Jiang Keyi.Research on take off performance of an aircraft installing thrust-vectoring nozzles[J].Journal of Naval Aeronautical and Astronautically University,2008,23(6):626-628( in Chinese)